S tanley Druckenmiller is a legendary American hedge fund manager, renowned for his remarkable and long-running track record of generating spectacular returns. He is the founder of Duquesne Capital Management, which he operated for three decades before converting it into a family office to manage his personal fortune. He is most famous for his long and highly successful tenure as the lead portfolio manager for George Soros's Quantum Fund, a role he held for over a decade.

Druckenmiller was a key architect of the Quantum Fund's most famous trade: its massive and successful bet against the British pound in 1992, which 'broke the Bank of England' and reportedly netted the fund over $1 billion in profit. His investment style is a top-down, global macro approach, making large, leveraged bets on stocks, bonds, and currencies based on his analysis of economic trends. After closing his fund to outside investors in 2010, citing the stress of maintaining his unparalleled track record, he has focused on managing his own wealth and on philanthropy.